登记管理机关对社会团体的活动进行______。
A．领导
B．指导
C．监督
D．业务指导
参考答案：C
根据时代不同，可将革命遗址及革命纪念地划分为哪几类？
To keep healthy, she _____ cycling as a regular form of exercise after he retired. [ ]
A. took up
B. caught on
C. carried out
D. made for
